CVE-2025-1529: AM LottiePlayer <= 3.5.3 - Authenticated (Author+) Stored Cross-Site Scripting via Uploaded Lottie File
Description
The AM LottiePlayer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via uploaded lottie files in all versions up to, and including, 3.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Classification
CVE ID: CVE-2025-1529
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: johanaarstein
Product: AM LottiePlayer
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 7.7% (scored less or equal to compared to others)
EPSS Date: 2025-05-30 (when was this score calculated)
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2025-1529https://www.wordfence.com/threat-intel/vulnerabilities/id/0f44fcc8-c5e0-44f5-92c3-6603b19a06fe?source=cve
https://plugins.trac.wordpress.org/changeset/3278523/am-lottieplayer